Solana DEX Bot

A Solana-based trading bot that automatically monitors and trade trending tokens of Dexscreener using Jupiter's API.

Features

• Automated Trading: Monitors trending tokens of Dexscreener and executes buy/sell orders
• Position Management: Tracks open positions with PnL monitoring
• Risk Management: Automatic stop-loss (-25%) and take-profit (30%) triggers
• Real-time Data: Scrapes DexScreener for trending tokens
• Smart Filtering: Filters tokens by liquidity, market cap, and age

Setup

1. Install dependencies

   npm install

2. Environment variables Create a .env file:

   SOLANA_PRIVATE_KEY=your_wallet_private_key
   SOLANA_RPC_URL=your_rpc_endpoint
   MONGODB_URI=your_mongodb_connection_string
   

3. Build and run

   npm run build
   npm start

Usage

The bot runs automatically with two main cron jobs:

• Buy Strategy: Runs every minute, finds eligible tokens and opens positions
• PnL Monitoring: Runs every 2 minutes, checks positions and triggers sells

Configuration

• Max positions: 3
• Investment per token: $30
• Stop loss: -25%
• Take profit: +30%

Tech Stack

• TypeScript
• Solana Web3.js
• Jupiter Ultra API
• MongoDB with Mongoose
• Puppeteer for web scraping